What two forces are balanced when a system is in isostasy?
A. Downward gravity and upward buoyancy
B. Upward accretion and downward buoyancy
C. Downward gravity and upward heat
D. Upward gravity and downward buoyancy

What two forces are balanced when a system is in isostasy A Downward gravity and upward buoyancy B Upward accretion and downward buoyancy C Downward gravity and class=